Who are the 20 foreign chemists and their discoveries?
It would be challenging to list 20 foreign chemists and their discoveries in a concise manner. However, some significant foreign chemists and their contributions could include Dmitri Mendeleev (creator of the periodic table), Marie Curie (discovered polonium and radium), Linus Pauling (worked on the nature of the chemical bond), and Christian B. Anfinsen (studied protein folding).